krystie.jpgTay-Sach's Disease......



Tay sach's disease was also known as GM2 Gangliosidosis or Hexosaminidase A Deficiency. Also it presents a relentless deterioration of mental and physical abilities. At age six months this disease comes and usually dies at age 4. Tay-Sach's is caused by a genetic defect in a single gene which is inherited from each parent.



Researchers say that in the late 20th century demonstrated that Tay-Sachs disease is caused by a genetic mutation on the HEXA gene on chromosome number fifteen. There is NO treatment for this disease. The symptom's of this disease are seizures and behavior changes and increase in startle reaction and decreased eye contact and slow body growth also delayed mental and social skills.

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www.ghr.nlm.nih.gov/condition=taysachsdisease
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http://www.ninds.nih.gov/disorders/taysachs/taysachs.html



The parents don't find out that there children have this disease until the child is three to six months of age. This means that your child will lose motor skills such as crawling, turning over and sitting. They will also develop an exaggerated startle reaction to loud noises. This disease is more common in Ashkenzal, Jewish heritage than in those with other backgrounds. Also it is more common in certain French-Canadian communities of Quebec.


This condition is inherited in an autosomal recessive pattern.
This means that both copies of the gene in each cell have mutations.
Generally only 1 out of 250 people are carriers for Tay Sach's disease.
Among Jewish people there are 1 out of 27 people who carry this disease.



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